The Number

87842

Eighty-Seven Thousand Eight Hundred and Forty-Two

In Base 21 Unovigesimal Is

9a3k21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See Eighty-Seven Thousand Eight Hundred and Forty-Two in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

87839
9a3h21
Eighty-Seven Thousand Eight Hundred and Thirty-Nine in Base 21 Unovigesimal
87840
9a3i21
Eighty-Seven Thousand Eight Hundred and Forty in Base 21 Unovigesimal
87841
9a3j21
Eighty-Seven Thousand Eight Hundred and Forty-One in Base 21 Unovigesimal
87843
9a4021
Eighty-Seven Thousand Eight Hundred and Forty-Three in Base 21 Unovigesimal
87844
9a4121
Eighty-Seven Thousand Eight Hundred and Forty-Four in Base 21 Unovigesimal
87845
9a4221
Eighty-Seven Thousand Eight Hundred and Forty-Five in Base 21 Unovigesimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

8.7842e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00024a7f67k74h0f21

The reciprocal of 87842 in Base 21 Unovigesimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 9a3k21 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Eighty-seven thousand eight hundred and forty-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eighty-seven thousand eight hundred and forty-two is a composite number with 8 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number eighty-seven thousand eight hundred and forty-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
167
7k21
One Hundred and Sixty-Seven in Base 21 Unovigesimal
263
cb21
Two Hundred and Sixty-Three in Base 21 Unovigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2211 · 7k211 · cb211 = 9a3k21

Base Conversions

The number eighty-seven thousand eight hundred and forty-two in 35 different bases